sell Wireless Magnetic Switch ES-300MC (ES-300MC)
Door sensor/ door switch/ magnetic switch/ magnetic sensor / window sensor
Operating voltage: DC12V
Standby current: ≤ 5uA
Transmitting current: ≤ 15mA
Battery life: 1 to 2 years
Transmitting Freq.: 315M or 433M
Sending distance: 20... - Update: 2010-09-06